Commit dd309bfc authored by Kairui Song's avatar Kairui Song Committed by Andrew Morton
Browse files

mm, swap: remove no longer used swap mapping helper 

This helper existed to fix the circular header dependency issue but it is
no longer used since commit 0d40cfe6 ("fs: remove
folio_file_mapping()"), remove it.

Link: https://lkml.kernel.org/r/20250430181052.55698-7-ryncsn@gmail.com


Signed-off-by: default avatarKairui Song <kasong@tencent.com>
Reviewed-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: default avatarDavid Hildenbrand <david@redhat.com>
Cc: Chao Yu <chao@kernel.org>
Cc: Chris Li <chrisl@kernel.org>
Cc: Chris Mason <clm@fb.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: David Sterba <dsterba@suse.com>
Cc: "Huang, Ying" <ying.huang@linux.alibaba.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Joanne Koong <joannelkoong@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Josef Bacik <josef@toxicpanda.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Qu Wenruo <wqu@suse.com>
Cc: Yosry Ahmed <yosryahmed@google.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 7d0f0f06

include/linux/pagemap.h

+0 −1
Original line number Diff line number Diff line
@@ -533,7 +533,6 @@ static inline void filemap_nr_thps_dec(struct address_space *mapping) 
}



struct address_space *folio_mapping(struct folio *);

struct address_space *swapcache_mapping(struct folio *);



/**

 * folio_flush_mapping - Find the file mapping this folio belongs to.

mm/swapfile.c

+0 −9
Original line number Diff line number Diff line
@@ -3662,15 +3662,6 @@ struct swap_info_struct *swp_swap_info(swp_entry_t entry) 
	return swap_type_to_swap_info(swp_type(entry));

}



/*

 * out-of-line methods to avoid include hell.

 */

struct address_space *swapcache_mapping(struct folio *folio)

{

	return swp_swap_info(folio->swap)->swap_file->f_mapping;

}

EXPORT_SYMBOL_GPL(swapcache_mapping);



/*

 * add_swap_count_continuation - called when a swap count is duplicated

 * beyond SWAP_MAP_MAX, it allocates a new page and links that to the entry's